CM13 3RJ is a sought-after residential area on Thorndon Park, 0.5km from Thorndon Park in Brentwood. Administratively it sits within Herongate, Ingrave and West Horndon ward and the Brentwood and Ongar constituency.
One of the more sought-after postcodes in CM13, CM13 3RJ offers a mature area with an older, predominantly retired population. The daytime character shifts — higher status countryside accessible from major metropolitan areas. Average age 56 — this is a predominantly retired and pre-retirement community, with very low mobility and high owner-occupation. 68% of residents own their home — above average for the district, consistent with a stable and sought-after address.
Safety: Crime rates are low here at 5 incidents per 1,000 residents — well below average and reassuring for families. Property: Average house prices are around £390k, down 4.2% year-on-year. The area ranks among the least deprived 20% in England — a strong signal of community wellbeing, good schools, and low crime.
Census 2021 statistics for CM13 3RJ are sourced from Output Area E00108953 (shared with 5 postcodes in this micro-neighbourhood). Property prices come from HM Land Registry.
THORNDON PARK, CM13 3RJ House Prices & Local Information
Comprehensive demographic deep-dive and infrastructure audit for THORNDON PARK, CM13 3RJ.
135
56
£ 60,900 /yr
46%
Neighbourhood Index
infoHow calculated?Score 1–10 — how this postcode ranks nationally (10 = top 10%)
Index Insight: CM13 3RJ is ranked in the top 20% nationally for affluence, indicating a high-income demographic.
Area Character
CM13 3RJ is a settled retirement community — average age 56, 68% owner-occupied, very low turnover, and strong community continuity. Low crime reinforces the quiet, established character — £390k reflects the demand. Property prices are trending down 4.2% year-on-year.
mapGeographic Location
Demographic Deep-Dive
The Census 2021 data below shows the full population breakdown for CM13 3RJ. The average age is 55.8. Figures are sourced from the Office for National Statistics and cover ethnicity, age, religion, education, occupation, housing tenure, and more.
Ethnicity Profile
Economic Activity
Area Vibe: Peaceful and mature. The demographic data points to a concentration of older adults living across a mix of tenures.
home Property Prices by Type
Flat
£ 413,000
23 sales · Mean £ 442,913
Terraced
£ 405,000
1 sales · Mean £ 405,000
Semi-Detached
£ 550,000
1 sales · Mean £ 550,000
gavel Crime Overview 12 Months (up to 2025-12)
CM13 3RJ has low crime rates — 5 incidents per 1,000 residents. The most reported categories are criminal damage and arson and vehicle crime. Commercial streets and transport hubs naturally generate more incidents than quiet residential roads.
school Local Schools
Ingrave Johnstone Church of England Voluntary Aided Primary School
storefront Nearby Amenities
Pub, NightClub
1 nearby- Herongate Cricket Club0.5 km
Restaurant, Cafe
2 nearby- CRAFTED EVENTS0.1 km
- Thorndon Park Golf Club0.1 km
Retailers - Other
1 nearby- BP Ingrave SF Connect0.9 km
train Transport Links
Train Stations
- Brentwood2.6 km
- Shenfield3.2 km
- West Horndon3.9 km
Generated by PostcodeInfo.uk
Postcode Profile: CM133RJ · Data under Open Government Licence